Lock



18, 1929. a SEGAL 1,717,942

-. LOCK Filed Aug. 10, 1921 i Y iwyifggw ATTORNEY5 Patented June 18, 1929.

UNITED STATES PATENT OFFICE.

SAMUEL SEGAL, OF NEW YORK, N. Y., ASSIGNOR, BY MESNE ASSIGNMENTS, TO SEGAI;

LOOK & HARDWARE (50., INQ, OF NEW YORK, N. Y., A CORPORATION OF NEW YORK.

Y LOCK.

My invention relates to locks and has for its principal object the production of a lock of simplicity of construction WhlCh shall be Referring to the several figures of thedrawin 1 indicates a door, referably of the swingadapted to securely lock a door or other ing type, and 2 the oor frame. 3'indicates closure to which it is applied to efiectively preclude an unauthorized forcing open of the door or closure or a jimmying or breakage of the lock.

A further object of the invention the production of a lock having a novel construction of dead bolt, preferably horizontally slidable in the lock casing and also one or more supplementary locking bolts operable in a plane transverse to the plane of movement of the dead bolt, all of said bolts being adapted to interlock with a suitable keeper. Still other and further objects and advantages of the invention will appear from the ac-- companying description, the invent on consisting in the novel parts and combinations thereof hereinafter more particularly described and then specified in the claims.

In the drawing Fig. 1 is a plan view of the look as applied to a door.

Fig. 2 is arear elevation of the lock cas-- casing.

is an end view of one end of the lock Fig. 8 is an end view of the other end of the lock casing.

Fig. 9 is a reverse plan view of the lock casing.

Fig. 10 is an elevation of the keeper.

Fig. 11 is an end view thereof.

Fig. 12 is a horizontal section on the line 12-12 of Fig. 10.

Fig. 13 is a rear elevation of a modlfied form of lock casing.

Fig. 1 1 is a similar view showing the cover plate removed.

Fig. 15 is a front elevation of my improved connecting spindle.

Fig. 16 .is an elevation of the modified form of keeper.

cylinder 4 and prevents forward withdrawal of said key plug through said cylinder. 10

indicates the usual escutcheon carried on the forward end of the cylinder 4 and engaging the face of the door while 11 indicates perforated ears which are preferably integral with said cylinder and which are provided with suitable screws 12 adapted to be threaded therethrough. The said cylinder has spreading prong members 13 hinged thereto which are adapted to be spread outwardly by operation of the screws 12 and to bite into the wall of the opening 3 to lock the cylinder from withdrawal from said opening and in proper position therein.

14 indicates my novel connecting spindle which operatively connects the key plug and the locking mechanism within the lock casing to actuate said lock mechanism when akey is inserted in the plug from without the door and the key is manipulated to rotate said plug and effect a consequent rotation of said spindle. As is manifest, the length of the spindle used varies depending upon the thickness of door to which the lock is applied as well as on other conditions. In most cases it is now necessary to provide a spindle of long length which must be cut off to the proper length which is objectionable. In other cases at the present time several spindles of varyinglengths are supplied with the lock which spindles are provided with headed ends. To fas ten or attach a spindle of this character to the key plug, after the spindle of the proper essary to remove the end plate to connect the spindle to the key plug or to disconnect the same therefrom and the spindle may be detachably snapped into operative position with little or no effort. The spindle 14 is provided with a slot 15 forming spring arms 16 having rounded or cam ends or heads 17. Several spindles of varying lengths are supplied with the lock and the one of proper length 10* chosen depending on the thickness of the door to which the lock is applied. The said spindle may then be detachably connected to the key plug with expedition and facility by insertion of one of the heads 17 through the slot 9 and into the opening 6 and the pressing of the cam surface of the other head against the end wall of said slot to force the spring arms 16 together, thereby permitting said other head to be forced with a snap action through said slot 9 and into the opening 6 as indicated in Fig. 15. The spindle is thus operatively and detachably connected to said key plug and may be removed therefrom by lateral pressure applied thereagainst to again force the spring arms 16 towards each other and permit one head 17 to first be withdrawn frf'om the slot 9 and then the other head there- 0 My improved lock casing containing the locking mechanism is indicated at 18. Said lock casing is provided with a rear or cover plate 19 having cam slots 20 therein provided with inclined ends and it is adapted to engage or to be supported bya plurality of posts 21 preferably integral with said casing and to be detachably secured to certain of said posts by suitable screws 22. Said cover plate is provided with an opening in which a slotted rotatable plate 23 is non-detachably mounted, the slot 23' of which is adapted to have extend therethrough the end of the operating spindle 14, whereby rotation of said spindle will rotate said plate 23. The inner side of said plate 23 has secured thereto an actuating finger 24 rotatable therewith and provided with a transverse pin 25 secured to the end thereof. The end wall of the casing 26 is provided with a slot 27 therein.

Mounted in the front wall of the casing on the inside of the door is a hollow operating knob 28 the hollow shank of'which is indicated at 29 and which is rotatably supported within a bearing 30 preferably integral with the casing and having a squared exterior surface. Secured to the inner end of said shank 29, and rotatable therewith is an actuating finger 31 perforated at its end and adapted to pivotally receive a pin .32 integral with a curved link 33. Said curved link is provided with a lug 34 adapted to slidably engage the inner side of the cover plate 19 to retain said link in proper position and is also provided with a pin 35 rigidly mounted in the opposite end of said link and extending transversely therethrough. The link 33 is also provided with a walled depression 36 open at its lower side, said depression being adapted to loosely receive the pin 25 on the actuating finger 24 to establish a detachable connection between the spindle 14 and link 33.

37 indicates a solid dead bolt of substantial strength, the inner and narrower portion of which is provided with a squared groove or slot as indicated at 38 adapted to slidably intcrfit with the squared bearing 30 which supports the same and provides a stop therefor and the outer thickened portion or end of which is slidably mounted in the slot 27 of the end wall 26 of the casing and is supported thereby. The outer end of said bolt is provided with parallel, transverse slots 39 to form upper and lower bolt members or extensions 40 and 41 respectively and an intermediate bolt member or extension 42. All of said members or extensions are provided with a vertical bore 43 extending therethrough in vertical alignment. The outer end of said bolt is also provided with a narrow slot 44 extending vertically therethrough and communicating with the bores 43.

45 and 46 indicate upper and'lower vertica'lly operating bolts adapted to be operated towards and away from each other and which slidably interfit with the bores 43 in the upper and lower bolt members 40 and 41 respectively whereby said vertically operating bolts are housed, and protected by said members. Pivoted to the dead bolt 37 and adjacent the inner end thereof as by pivots 47 and- 48 are the vertical bolt actuators 49 and 50 respectively, the forward ends of which extend within the slot 44 which acts as a guide there-- for, said forward ends being provided with reduced portions 51 and 52 respectively secured or attached respectively in any desirable manner to the upper end of vertical bolt 45 and the lower end of vertical bolt 46. The actuators 49 and 50 are provided with arms 53 and 54 adapted to slide within the slot 44, the ends of which engage each other when the vertical bolts are throwninto looking posit-ion as shown in Fig. 4. When in this position the bore or opening in the intermediate bolt member 42 receives the ends of said bolts which interlock therewith.

55 and 56 indicate pins secured respectively to the bolt actuators 49 and 50 which pins enter the cam slots 20 in the cover plate 19 when said plate is secured to the loc k casing.

The dead bolt is also provided with an opening 57'pivotally receivin the lower end of the pin 35 of the curved link 33 to establish a pivoted connection between said link and dead bolt. The upper end of said pin 35 has secured thereto a spring 58 the end of which engages the end wall of the thickened end of said dead bolt. a

' The look is mounted on the door by means of suitable screws extending therethrough and through perforated lugs or openings 59' with which said casing is provided and when mounted, the end of the lock casing is'preferably flush with the door edge as shown in Fig. 1 and the end of the spindle extends through the slot-ted plate 23 which is carried by the cover plate 19 as has been described. The actuation of the dead bolt and a consequent actuation of the vertically operating locking bolts may be effected either by means of a key inserted within the key plug from without the door or by the knob 28 from within the door. \Vhen the dead bolt is in wise in retracted position as shown in Fig.

'3 and said parts are hidden and enclosed.

When the bolts are retracted it will be noted that the curved link 33 partially surrounds the shank 29 of the knob 28, that the pivots 32 and 35 are in horizontal alignment and that the action of the spring 58 tends to retain the link in this position. v

To operate the dead bolt from within the door the'knob 28 is rotated thereby rotating the actuating arm 31 through an angle of 180 against the action of said spring 58 and causing said curved link to swing on both of its pivots 82 and 35, the enlarged or thickened end of said dead bolt being adapted to be engaged by the flattened end or extremity of said link which I haveindicated at 60, whereby said dead bolt acts as a stop to limit further movement of the actuating arm 31 or of the link in the same direction. The dead bolt is thus projected through the slot 37 in the end wall of the lock casing in an obvious manner and as it approaches its extreme projected position the pins 55 and 56 which are meanwhile sliding in the cam slots 20 of the cover plate 19 engage the inclined ends of the said slots to force the vertically operating locking bolts towards each other to interlock with the intermediate bolt member or eXten sion 42. To retract the dead bolt and locking bolts merely requiresa rotation of the operating knob 28 in a reverse direction which immediately throws the locking bolts into unlocked position at the beginning of the retracting movement of the dead bolt and which finally draws the dead bolt completely within the casing until all of the parts again take the position shown in Fig. 3. It will be noted that the forward or projected movement of said dead bolt may be limited by the pins 55 and 56 the sides of which are adapted in some cases to engage the inner side of the end wallof the casing as shown in Fig. 5. Inasmueh as the pin 25 on the actuating finger 24 is adapted to enter the walled depression 36; it isobvious that the locking mechanism may be actuated by a key inserted in the key lug from without the door as connection is established between said key plug and the actuating finger 31 through the spindle 14, actuating finger 24 and pin 25. As the walled depression 36 is open at its lower side the pin 25 will fall therefrom by gravity when the locking mechanism is not being operated-Z from without'the door so that there will I be no interference with the actuation of thelocking mechanism from within the door by rotation of the knob 28.

I have indicated at 61 raised and preferabl shar ened letters or other insi nia advertisement for the lock maker which is discernible if the casing is removed for any reason.

62 indicates the base of a keeper forming an angle piece which is fastened to the edge of the door frame by suitable screws 63. The body of said keeper which is preferably integral with said base is provided with upper and lower openings 64-and an intermediate opening 65 separated from said upper and lower openings by cross-bars 66. When the keeper is properly mounted on the door frame the upper and lower openings are adapted to receive the upper and lower bolt members or extensions 40 and 41 respectively of the dead bolt 37 and-the intermediate opening 65, receives the intermediate bolt member or extension 42. The cross-bars 66 are alsoreceived by the slots-39 in the deadbolt. When the dead bolt and locking bolts are in projected or locked position the locking bolts ex tend downwardly vertically behind the crossbars 66 to secure a thorough and effective interlocking of the lock with the keeper. A forward pressure applied to the door would be resisted by engagement of the bolt members with the walls of the openings of the keeper while a sidewise or sliding movement of the door would be resisted by engagement of the locking bolts 45, 46 with the cross-bars 66 of the keeper.

When the position that the lock casing is to be screwed or otherwise fastened on the door has been chosen, it is necessary that the opening 3 in the door for receiving the lock cylinder be bored or made at the proper relative location as respects the lock casing so that the spindle 14 will be in direct alignment with the slot of the plate 23. The proper location of the opening may be accurately determined by supplying the hollow knob 28 centrally thereof with an opening 67 in alignment with the slot 23 of the plate 23 as indicated in Fig. 5. The lock casing is then held on the door in the desired position and a sharp pointed instrument inserted into the opening 67, through the hollow knob 28, through the shank 29 thereof and through the slot of the plate 23 and an impression marked on or dented in the door by said toolwhich impression will be thecenter of the opening for the cylinder. By this means the opening for the cylinder mechanism may be accurately made in the door at the proper location irrespective of the chosen position of the lock casing and theparts of the lock, when it is mounted, Wlll have the proper relative position without the necessity of making many measurements which it is customary to make to attain the same results.

I may also, consistently with my invention, secure the results just described by other novel means. Referring to Figs. 1, 7, 8 and 9,

the upper wall adjacent the rear side of the 1. In a look, a ho casing 1s provided with a mark 68 in vertical alignment with the slot 23' and the lower wall of the casing adjacent the rear side is also provided with a mark 69 adjacent the rear side. Also the casing adjacent the rear 'side has one end thereof provided with a mark 7 0 and the other end with a mark 71 both in horizontal alignment with the slot 23'.

The casing is held on the door in the position elected and marks are made on the same immediately adjacent and in alignment with the marks 68 to 71 inclusive just described. The vertical marks on the door are connected together by a, pencil line as are the horizontal marks and the intersection of the two lines determines the center of the opening to be bored or made for reception of the cylinder mechanism. 1

For properly mounting the keeper onthe door frame in proper position and in alignment with the lock casing, I have provided the edge of the body of the keeper with a mark 72 centrally located. The end of the lock casing adjacent the keeper is provided with a mark 73 centrally thereof and adjacent the outer wall. When the lock casing has been mounted on the door, the keeper is held 011 the edge of the door with the mark 72 thereof in horizontal alignment with the mark 73 on the lock casing and is then screwed or fastened to the door frame thereby insuring its proper relative position as respects the lock casing on said door frame.

In the modification illustrated in Figs. 13 and 14 the dead bolt is provided with but a single slot forming upper and lower bolt members 75 and 76 respectively, the lower bolt member of which carries a single vertically operating locking bolt 77 adapted to span the slot and a bore in the upper bolt member. The operation of the parts is identical with the operation of similar parts in the preferred form of the invention and requires no detailed description. Also, in the modifi cation, instead of employing marks on the casing similar to the marks 68 to 71 inclusive previously described, I prefer to provide the rear edge of the casing with four sharp prongs 78 similarly located as the marks hereinbefore described which will leave an impression in the wood of the door when the easing is pressed thereagainst. 'These impressions may then be employed to determine the center of the opening for the cylinder mechanism in an obvious manner.

In the modified form of keeper shown in Fig. 16 the bed thereof is provided with but two openings ;9 separated by a connecting bar 80. The said openings are adapted to receive the upper and lower bolt members 7 5 and 76 of the dead bolt and the slot 74 is adapted to receive said connecting bar 80, as is manifest.

What I claim as my inventionis t, means for actuating said bolt, a link pivoted to saidactuating means and to said bolt and a spring carried by said link and engaging said bolt and act ing to retain the same in, retracted or projected position. v

2. In a lock bolt, rotatable means for actuating said bolt, a link rotatably connected with said actuating means and said bolt, a knob for operating said actuating means, operating means independent of said knob for operating said actuating means and adapted to become disengaged therefrom when said knob is operated.

3. In a lock, a dead bolt, a plurality of locking bolts carried by said bolt and adapted to move in a plane transverse to the direction of movement of said dead bolt and within the space defined by the body of the latter, said locking bolts being adapted to be actuated by movement of said dead bolt.

4. In a lock, a horizontally operating dead bolt provided with a plurality of transverse slots therein, means for actuating said dead bolt and a vertically operating locking bolt carried by said dead bolt and adapted to be actuated upon movement of said dead bolt to extend across one of said slots.

' 5. In a lock, a horizontally operating dead bolt slotted at its outer end to form three bolt members, means for actuating said dead bolt and vertically operating locking bolts carried one'by each of the outer boltmembers and adapted to travel across said slotand engage the center of said bolt members and to be actuated upon movement of said dead bolt.

6. In a lock, a lock casing provided with a slot therein, a dead bolt slidably mounted in said casing and provided with a transverse slot in the end portion thereof forming bolt members, said bolt members having openings in alignment therein, and said dead bolt being also provided with a slot extending vertically within the same, means for actuating said dead bolt, an operating bolt carried and supported within the opening of one of said bolt members, an actuator pivoted to said dead bolt and extending through said vertical slot and connected to said operating bolt and a pin connected to said actuator and extending through the slot in the lock casing whereby said locking bolt will move across said transverse slot and into the opening of another bolt member upon actuation of said dead bolt.

7. In a lock, a bolt provided with transverse slots therein forming upper and lower bolt members and an intermediate bolt member, means "for actuating said bolt and operating bolts carried by said upper and lower bolt members and adapted to move across said slots and into said intermediate member.

8. In alock, a bolt provided with transverse slots therein forming upper and lower bolt members and an intermediate bolt member, means for actuating said bolt and operating bolts carried by and supported and concealed by said upper and lower bolt members and adapted to move across said slots and into engagement with said intermediate member upon actuation of said bolt.

9. In a look, a dead bolt provided with transverse slots therein forming upper and lower bolt members and an intermediate bolt member, means for actuating said dead bolt, operating'bolts carried by and supported and concealed by said upper and lower bolt members and means for moving said operating boits towards each other and across said slots and into said intermediate member upon actuation of said bolt.

10. In a lock, a keeper having openings therein and a connecting bar separating said openings, a bolt having a slotted end forming upper and lower bolt members, a locking bolt carried by one of said bolt members, means for actuating said bolt whereby said bolt members will enter the openings of said keeper and means permitting the actuation of said locking bolt upon actuation of said firstnamed bolt whereby said lockin bolt will move across said slot and behin said connectin bar.

11. In a lock, a keeper having openings therein and a connecting bar separating said openings, a dead bolt having a slotted end forming upper and lower bolt members, a locking bolt carried by one of said bolt members and adapted to move in a direction trans verse to the plane of movement of said dead bolt, means for actuating said bolt whereby said bolt members will enter the openings of said keeper and means permitting the said locking bolt to be actuated upon actuation of said dead bolt whereby said locking bolt will move behind said connecting bar, across said slot and into the other of said bolt members.

12. In a lock structure, the combination with a lock casing and a keeper, of a main bolt structure including three spaced bolt members, two verticall movable auxiliary bolt structures carried y the main bolt structure and including bolt members movable across the spaces between the spaced main bolt members and adapted to interlock with the intermediate main bolt member and with the keeper, and means for moving said auxiliary bolt structures simultaneously in opposite directions. v

13. In a lock structure, the combination with a lock casin and a keeper, of a main bolt structure includmg two hollow bolt members and an intermediate bolt member spaced from the hollow bolt members and havin recesses in its top and bottom sides, two auxi iary bolt structures carried by the main bolt structure and including bolt members housed in the hollow main bolt members when retracted, and

means for moving the auxiliary bolt strucmembers and to interlock with said intermediate main bolt member and with the keeper,

means connecting said auxiliary bolt structures whereby the sameare caused to move vertically in opposite directions simultaneously, and manually operable means for moving said auxiliary bolt structures, said manually operable means being co-operable with the main structure to project or withdraw the latter and the auxiliary bolt structures car ried thereby relatively to the keeper.

15. In a lock structure, the combination with a lock casing and a keeper, of a main bolt structure including upper and lower and an intermediate spaced bolt member, two auxiliary bolt structures including bolt members to be projected across the spaces between the upper and lower and intermediate main bolt members and to interlock with said intermediate main bolt member and with the keeper, means connecting said auxiliary bolt structures whereby the same are caused to move vertically in opposite directions simultaneously, manuall operable means for moving said auxiliary olt structures, said manually operable means being co-operable with the main bolt structure to project or withdraw the latter and the auxiliary bolt structures carried thereby relatively to the keeper, and

means for locking the auxiliary bolt structures in projected and retracted positions.

16. A lock including in combination a pair of opposed bolts movable towards each other into locking position, means for moving said bolts, a bar adapted for movement in a direction substantially transverse to the direction of movement of at least one of said bolts, said bar being provided with seats for the reception of said bolts.

1.7. A look including in combination a pair of opposed bolts movable towards each other into locking sition, a bar adapted for move ment in a direction substantially transverse to the direction of movement of at least one of said bolts, said bar bein provided with seats for the reception of SLl(l%0lts, means for moving said bar into receiving position and means for moving thereafter said bolts into the seats res ectively in said bar.

18. A ock including in combination a pair of opposed bolts movable towards each other into lockin position, a bar adapted for movement in a direction substantially transverse to the direction of movement of at least one of said bolts, saidbar being provided with seats for the reception of said bolts, means for mov-' ing said bar into bolt receiving position and means for moving thereafter said bolts simultaneously into the seats respectively in said bar.

19. In a lock structure, the combination with a keeper having spaced cross members, and a lock casing to be secured to a door with one end flush with the edge of the door, of a main bolt structure mounted in said casing and having spaced bolt members to enter the keeper, an auxiliary bolt structure carried by the main bolt structure and having auxiliary bolt members to be projected across the spaces between the spaced main bolt members and behind the cross members of the keeper.

- 20. In a lock structure, the combination with a lock casing, and a keeper having spaced cross members, of a main bolt mounted in the lock casing and having spaced main bolt members, an auxiliary bolt structure carried by the main bolt structure and having auxiliary bolt members housed in the main bolt members when the main bolt is in retract ed position, means for moving the auxiliary bolt structure transversely of the main bolt structure to movethe auxiliary bolt members across the spaces between the main bolt members and behind the cross members of the keeper and for withdrawing said auxiliary bolt member from said positions, and means for projecting or retracting the main bolt structure and auxiliary bolt structure simultaneously with respect to the lock casing.

21. In a lock structure, the combination with a lock casingand a keeper, of a main bolt structure having spaced bolt members to enter the keeper, and an auxiliary bolt structure, carried by the main bolt structure and having bolt members to pro'ect across the spaces between the spaced main olt members, said auxiliary bolt members having interlocking connection with the keeper and with the main bolt when the two bolt structures are projected into the keeper.

22. A lock mechanism, comprising a case, a bolt slidable in said case, a pivoted lever on said bolt, a rotative roll-back having an arm thereon, and a pivotal connection between the free end of the lever and said arm the parts being so designed that the pivotal connection is in substantial alignment with the axes of the pivot and of the roll-back when the bolt is in locked position.

, 23. A look mechanism, comprising a case, a bolt slidable in said case, a pivoted lever on said bolt, a rotative roll-back having an arm thereon, a pivotal connection between the free end of the lever and said arm, the parts being so designed that the pivotal connection is in substantial alignment with the axes of the pivot and of the roll-back when the bolt is in locked position and resilient means tending to move the said pivotal connection toward the horizontal plane of the axis of the roll-back.

24. In a lock, a casing, a dead bolt, means for projecting and retracting said dead bolt with respect to said casing, said dead bolt being formed with a recess, a locking bolt carried by said first named bolt and projectable across the recess, and means independent of said first named bolt-operating means for actuating said locking bolt.

Signed at New York in the county of New York and State of New York this 8th day of August A. D. 1921.

SAMUEL SEGAL. 

